During the years from 1965 to March 1969, 1283 infants were born in the maternity department of Yamaguchi Prefectural Central Hospital, All were examined within the first week of life to laxity of the hip joint and restricted abduction.
Ortolani clicking sign with restricted abduction were noted in 0.9 percent in the Newborn babies.
In the examination of 1283 babies 14 cases (1.1 percent) of congenital dislocation of the Hip, 20 cases (1.6 percent) of subluxation and 23 cases (1.9 percent) of acetabular dysplasia were found.
3 cases of dislocated hips were treated with Riemenbügel band only at average 5 weeks of life and continued for average 4 months.
In 3 cases of impossible reduction with Riemenbügel, “frog” plaster cast was applied for 3 months after over head traction for 1 month.
All 6 cases had excellent results.